Home / 6,191.62-9,289.05-3,071.50

Finding the Fourth Proportional to 6,191.62, 9,289.05 and 3,071.50

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Solution

The fourth proportional to 6,191.62, 9,289.05 and 3,071.50 is: 4,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.62 : 9,289.05 = 3,071.50 : x
  2. Step 2: Convert to fraction form
    6,191.62/9,289.05 = 3,071.50/x
  3. Step 3: Cross multiply
    6,191.62x = 9,289.05 × 3,071.50
  4. Step 4: Simplify right side
    6,191.62x = 28,531,317.08
  5. Step 5: Solve for x
    x = 28,531,317.08/6,191.62
  6. Step 6: Final answer
    x = 4,608.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.